feat: signed releases, release feed, notification (read-only)

internal/infrastructure/update/jsonStatusStore.go

@@ -0,0 +1,55 @@
+package update
+
+import (
+	domain "RenewCMS/internal/domain/update"
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"sync"
+)
+
+const statusFilePermissions = 0o600
+
+type JSONStatusStore struct {
+	path string
+	mu   sync.Mutex
+}
+
+var _ domain.StatusStore = &JSONStatusStore{}
+
+func NewJSONStatusStore(path string) *JSONStatusStore {
+	return &JSONStatusStore{path: path}
+}
+
+func (s *JSONStatusStore) Load() (domain.CheckResult, bool) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	content, err := os.ReadFile(s.path)
+	if err != nil {
+		return domain.CheckResult{}, false
+	}
+	var result domain.CheckResult
+	if err := json.Unmarshal(content, &result); err != nil || result.CheckedAt.IsZero() {
+		return domain.CheckResult{}, false
+	}
+	return result, true
+}
+
+func (s *JSONStatusStore) Save(result domain.CheckResult) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	content, err := json.Marshal(result)
+	if err != nil {
+		return err
+	}
+	if err := os.MkdirAll(filepath.Dir(s.path), os.ModePerm); err != nil {
+		return err
+	}
+	temporary := s.path + ".tmp"
+	if err := os.WriteFile(temporary, content, statusFilePermissions); err != nil {
+		return err
+	}
+	return os.Rename(temporary, s.path)
+}